Name Info Provider Link
Heart Diseases free resource MedlinePlus Health Information https://medlineplus.gov/heartdiseases.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22199447.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22199447/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/22199447